Fix some typos

Signed-off-by: Pan Yibo <mstmdev@gmail.com>

Author: mstmdev

plugin.go

@@ -78,7 +78,7 @@ const (
 	EventPlugin Type = "io.containerd.event.v1"
 	// LeasePlugin implements lease manager
 	LeasePlugin Type = "io.containerd.lease.v1"
-	// Streaming implements a stream manager
+	// StreamingPlugin implements a stream manager
 	StreamingPlugin Type = "io.containerd.streaming.v1"
 	// TracingProcessorPlugin implements a open telemetry span processor
 	TracingProcessorPlugin Type = "io.containerd.tracing.processor.v1"